CVE-2026-81571 — Brave Popup Builder < 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via UTM Parameter

CVE-2026-81571

Brave Popup Builder < 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via UTM Parameter PUBLISHED

Description (CNA)

The Brave WordPress plugin before 0.8.8 does not prevent a URL parameter used to pre-fill a form field from being passed to WordPress's shortcode engine, allowing unauthenticated attackers to have arbitrary shortcodes registered on the site executed server-side.

Affected (CNA)

Vendor / product	Versions
Unknown / Brave	affected 0 before 0.8.8

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/049d0bfc-962b-4f5b-a089-c45f4ad981e3/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.